1 files changed, 35 insertions, 0 deletions
diff --git a/crypto/src/crypto/tls/TlsUtilities.cs b/crypto/src/crypto/tls/TlsUtilities.cs
index 48e51a7b6..48eb9d375 100644
--- a/crypto/src/crypto/tls/TlsUtilities.cs
+++ b/crypto/src/crypto/tls/TlsUtilities.cs
@@ -324,12 +324,47 @@ namespace Org.BouncyCastle.Crypto.Tls
WriteUint16Array(uints, buf, offset + 2);
}
+ public static byte DecodeUint8(byte[] buf)
+ {
+ if (buf == null)
+ throw new ArgumentNullException("buf");
+ if (buf.Length != 1)
+ throw new TlsFatalAlert(AlertDescription.decode_error);
+ return ReadUint8(buf, 0);
+ }
+
+ public static byte[] DecodeUint8ArrayWithUint8Length(byte[] buf)
+ {
+ if (buf == null)
+ throw new ArgumentNullException("buf");
+
+ int count = ReadUint8(buf, 0);
+ if (buf.Length != (count + 1))
+ throw new TlsFatalAlert(AlertDescription.decode_error);
+
+ byte[] uints = new byte[count];
+ for (int i = 0; i < count; ++i)
+ {
+ uints[i] = ReadUint8(buf, i + 1);
+ }
+ return uints;
+ }
+
public static byte[] EncodeOpaque8(byte[] buf)
{
CheckUint8(buf.Length);
return Arrays.Prepend(buf, (byte)buf.Length);
}
+ public static byte[] EncodeUint8(byte val)
+ {
+ CheckUint8(val);
+
+ byte[] extensionData = new byte[1];
+ WriteUint8(val, extensionData, 0);
+ return extensionData;
+ }
+
public static byte[] EncodeUint8ArrayWithUint8Length(byte[] uints)
{
byte[] result = new byte[1 + uints.Length];
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